[tbb-commits] [tor-browser-build/master] Bug 30767: Support custom PT bridges on Android
sysrqb at torproject.org
sysrqb at torproject.org
Tue Feb 11 02:40:33 UTC 2020
commit 3ce57ded27baa63dfff074e9a10a62365dc3bc25
Author: Matthew Finkel <sysrqb at torproject.org>
Date: Fri Feb 7 02:18:21 2020 +0000
Bug 30767: Support custom PT bridges on Android
---
...ustom-obfs4-bridge-does-not-work-on-Tor-B.patch | 146 +++++++++++++++++++++
projects/tor-onion-proxy-library/build | 1 +
projects/tor-onion-proxy-library/config | 1 +
3 files changed, 148 insertions(+)
diff --git a/projects/tor-onion-proxy-library/0001-Bug-30767-Custom-obfs4-bridge-does-not-work-on-Tor-B.patch b/projects/tor-onion-proxy-library/0001-Bug-30767-Custom-obfs4-bridge-does-not-work-on-Tor-B.patch
new file mode 100644
index 0000000..2d1bc51
--- /dev/null
+++ b/projects/tor-onion-proxy-library/0001-Bug-30767-Custom-obfs4-bridge-does-not-work-on-Tor-B.patch
@@ -0,0 +1,146 @@
+From 0a482a749fd770827d3d6c71debb112a07e7fae3 Mon Sep 17 00:00:00 2001
+From: sisbell <shane.isbell at gmail.com>
+Date: Thu, 14 Nov 2019 13:43:09 -0800
+Subject: [PATCH] Bug 30767: Custom obfs4 bridge does not work on Tor Browser
+ for Android
+
+TOPL fixes #134
+---
+ .../thali/toronionproxy/TorConfigBuilder.java | 63 ++++++++-----------
+ 1 file changed, 26 insertions(+), 37 deletions(-)
+
+diff --git a/universal/src/main/java/com/msopentech/thali/toronionproxy/TorConfigBuilder.java b/universal/src/main/java/com/msopentech/thali/toronionproxy/TorConfigBuilder.java
+index e324d9f..da9a6a2 100644
+--- a/universal/src/main/java/com/msopentech/thali/toronionproxy/TorConfigBuilder.java
++++ b/universal/src/main/java/com/msopentech/thali/toronionproxy/TorConfigBuilder.java
+@@ -99,25 +99,32 @@ public final class TorConfigBuilder {
+ return this;
+ }
+
++ @SettingsConfig
++ public TorConfigBuilder bridgesFromSettings() {
++ try {
++ addBridgesFromResources();
++ } catch (IOException e) {
++ e.printStackTrace();
++ }
++ return this;
++ }
++
+ public TorConfigBuilder configurePluggableTransportsFromSettings(File pluggableTransportClient) throws IOException {
+- List<String> supportedBridges = settings.getListOfSupportedBridges();
+- if (pluggableTransportClient == null || !settings.hasBridges() || supportedBridges.size() < 1) {
++ if (pluggableTransportClient == null) {
+ return this;
+ }
+
+- if (!pluggableTransportClient.exists() || !pluggableTransportClient.canExecute()) {
++ if (!pluggableTransportClient.exists()) {
+ throw new IOException("Bridge binary does not exist: " + pluggableTransportClient
+ .getCanonicalPath());
+ }
+
+- if (supportedBridges.contains("obfs3") || supportedBridges.contains("obfs4")) {
+- transportPluginObfs(pluggableTransportClient.getCanonicalPath());
+- }
+- if (supportedBridges.contains("meek")) {
+- transportPluginMeek(pluggableTransportClient.getCanonicalPath());
++ if (!pluggableTransportClient.canExecute()) {
++ throw new IOException("Bridge binary is not executable: " + pluggableTransportClient
++ .getCanonicalPath());
+ }
+- String type = supportedBridges.contains("meek") ? "meek_lite" : "obfs4";
+- addBridgesFromResources(type, 2);
++
++ transportPlugin(pluggableTransportClient.getCanonicalPath());
+ return this;
+ }
+
+@@ -471,14 +478,8 @@ public final class TorConfigBuilder {
+ return transPort(settings.transPort());
+ }
+
+- public TorConfigBuilder transportPluginMeek(String clientPath) {
+- buffer.append("ClientTransportPlugin meek_lite exec ").append(clientPath).append('\n');
+- return this;
+- }
+-
+- public TorConfigBuilder transportPluginObfs(String clientPath) {
+- buffer.append("ClientTransportPlugin obfs3 exec ").append(clientPath).append('\n');
+- buffer.append("ClientTransportPlugin obfs4 exec ").append(clientPath).append('\n');
++ public TorConfigBuilder transportPlugin(String clientPath) {
++ buffer.append("ClientTransportPlugin meek_lite,obfs3,obfs4 exec ").append(clientPath).append('\n');
+ return this;
+ }
+
+@@ -489,7 +490,7 @@ public final class TorConfigBuilder {
+
+ @SettingsConfig
+ public TorConfigBuilder useBridgesFromSettings() {
+- return !settings.hasBridges() ? dontUseBridges() : this;
++ return settings.hasBridges() ? useBridges() : this;
+ }
+
+ public TorConfigBuilder virtualAddressNetwork(String address) {
+@@ -518,12 +519,12 @@ public final class TorConfigBuilder {
+ * </code>
+ *
+ */
+- TorConfigBuilder addBridgesFromResources(String type, int maxBridges) throws IOException {
++ TorConfigBuilder addBridgesFromResources() throws IOException {
+ if(settings.hasBridges()) {
+ InputStream bridgesStream = context.getInstaller().openBridgesStream();
+ int formatType = bridgesStream.read();
+- if(formatType == 0) {
+- addBridges(bridgesStream, type, maxBridges);
++ if (formatType == 0) {
++ addBridges(bridgesStream);
+ } else {
+ addCustomBridges(bridgesStream);
+ }
+@@ -534,23 +535,14 @@ public final class TorConfigBuilder {
+ /**
+ * Add bridges from bridges.txt file.
+ */
+- private void addBridges(InputStream input, String bridgeType, int maxBridges) {
+- if (input == null || isNullOrEmpty(bridgeType) || maxBridges < 1) {
++ private void addBridges(InputStream input) {
++ if (input == null) {
+ return;
+ }
+- boolean hasAddedBridge = false;
+ List<Bridge> bridges = readBridgesFromStream(input);
+- Collections.shuffle(bridges, new Random(System.nanoTime()));
+- int bridgeCount = 0;
+ for (Bridge b : bridges) {
+- if (b.type.equals(bridgeType)) {
+- bridge(b.type, b.config);
+- hasAddedBridge = true;
+- if (++bridgeCount > maxBridges)
+- break;
+- }
++ bridge(b.type, b.config);
+ }
+- if(hasAddedBridge) useBridges();
+ }
+
+ /**
+@@ -560,15 +552,12 @@ public final class TorConfigBuilder {
+ if (input == null) {
+ return;
+ }
+- boolean hasAddedBridge = false;
+ List<Bridge> bridges = readCustomBridgesFromStream(input);
+ for (Bridge b : bridges) {
+ if (b.type.equals("custom")) {
+ bridgeCustom(b.config);
+- hasAddedBridge = true;
+ }
+ }
+- if(hasAddedBridge) useBridges();
+ }
+
+ private static List<Bridge> readBridgesFromStream(InputStream input) {
+--
+2.20.1
+
diff --git a/projects/tor-onion-proxy-library/build b/projects/tor-onion-proxy-library/build
index 0f2d976..9a8b31e 100644
--- a/projects/tor-onion-proxy-library/build
+++ b/projects/tor-onion-proxy-library/build
@@ -21,6 +21,7 @@ cd /var/tmp/build/[% project %]-[% c('version') %]
# build will pull down the correct android tool versions
patch -p1 < $rootdir/gradle.patch
patch -p1 < $rootdir/canceldormant.patch
+patch -p1 < $rootdir/0001-Bug-30767-Custom-obfs4-bridge-does-not-work-on-Tor-B.patch
# Extract obfs4proxy from TorBrowser/Tor/PluggableTransports/obfs4proxy
tar --strip-components=4 -xf $rootdir/[% c('input_files_by_name/obfs4') %]
diff --git a/projects/tor-onion-proxy-library/config b/projects/tor-onion-proxy-library/config
index ff3432c..d76949d 100644
--- a/projects/tor-onion-proxy-library/config
+++ b/projects/tor-onion-proxy-library/config
@@ -32,3 +32,4 @@ input_files:
exec: '[% INCLUDE "fetch-gradle-dependencies" %]'
- filename: gradle.patch
- filename: canceldormant.patch
+ - filename: 0001-Bug-30767-Custom-obfs4-bridge-does-not-work-on-Tor-B.patch
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